\(\begin{aligned} &\text{Status:} \quad \color{#00C000}{\textbf{Accepted}} \\ &\text{Visualizer:} \quad f(x) = \sum_{i=1}^{n} x^i \rightarrow \int_{0}^{\infty} e^{-x} dx = 1 \\ &\text{Grid Art:} \quad \begin{pmatrix} \blacksquare & \color{#FF0000}{\blacksquare} & \blacksquare \\ \color{#00FF00}{\blacksquare} & \blacksquare & \color{#0000FF}{\blacksquare} \\ \blacksquare & \color{#FFA500}{\blacksquare} & \blacksquare \end{pmatrix} \end{aligned}\)